Dust pan



FIG. 1 is a front right perspective view of a dust pan showing our new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The broken lines shown in the drawings represent portions of the dust pan that form no part of the claimed design. 

CLAIM The ornamental design for a dust pan, as shown and described. 